condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.423533333333334 0.0 16.2706 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.90784 0.0 5.72352 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0